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LLVM backend for 6502
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Richard Sandiford 80a3301b37 [SystemZ] Optimize (sext (ashr (shl ...), ...)) 
...into (ashr (shl (anyext X), ...), ...), which requires one fewer
instruction.  The (anyext X) can sometimes be simplified too.

I didn't do this in DAGCombiner because widening shifts isn't a win
on all targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199114 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-13 15:17:53 +00:00
autoconf Remove the test for endianness in configure.ac and regenerate. 2014-01-09 01:09:57 +00:00
bindings Makefile.ocaml: Tweak to use --system-libs. 2013-12-20 00:36:59 +00:00
cmake [CMake] Add a comment to tablegen's copy_if_different. Ninja reports every action by default. 2014-01-12 17:42:43 +00:00
docs Docs: fix sign of division and increase equivocation on code generated. 2014-01-13 10:47:04 +00:00
examples [cleanup] Re-sort the examples #include lines with my sort_includes 2014-01-13 09:58:03 +00:00
include fix a -Wdocumentation warning. 2014-01-13 15:10:11 +00:00
lib [SystemZ] Optimize (sext (ashr (shl ...), ...)) 2014-01-13 15:17:53 +00:00
projects Revert "Revert "Windows: Add support for unicode command lines"" 2013-10-07 01:00:07 +00:00
test [SystemZ] Optimize (sext (ashr (shl ...), ...)) 2014-01-13 15:17:53 +00:00
tools [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
unittests [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
utils AVX-512: Embedded Rounding Control - encoding and printing 2014-01-13 12:55:03 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.clang-format Add a clang-format file so that the tool can automatically detect the 2013-09-02 07:19:04 +00:00
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:34 +00:00
CMakeLists.txt [CMake] Move BUG_REPORT_URL from clang to llvm. 2014-01-13 05:25:13 +00:00
CODE_OWNERS.TXT Update email address. 2013-12-04 09:42:49 +00:00
configure Remove the test for endianness in configure.ac and regenerate. 2014-01-09 01:09:57 +00:00
CREDITS.TXT Fix documentation typos 2013-12-20 00:33:39 +00:00
LICENSE.TXT Update the copyright credits -- Happy new year 2014! 2014-01-01 08:27:31 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile llvm-config: Fixup r197380, tweak for cross compilation. SYSTEM_LIBS should be --host's in BuildTools/llvm-config. 2013-12-16 13:09:06 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add an autoconf option for turning on -gsplit-dwarf by default 2013-06-25 01:12:25 +00:00
Makefile.rules [Mips]Work around MIPS linker issues exposed by commit r198087 until bug 18360 is resolved 2014-01-03 22:18:43 +00:00
README.txt Revert "Test commit to check e-mail address. Please discard this." 2013-10-04 10:59:13 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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